package com.itheima.api;

import java.util.Arrays;

public class Demo6{
    public static void main(String[] args) {
        String s="123";
       // String->int
        int i=Integer.parseInt(s);
        i=Integer.valueOf(s);
        //Int->String
        int i1=12;
        String ss=String.valueOf(i1);
        String sss=i1+" ";
    }
}
